Description : How many orbitals are there in p-subshell?
Last Answer : Answer: Three.
Description : How many orbitals present 5f subshell?
Last Answer : Answer: Seven.
Description : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :-
Last Answer : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :- A. 5 B. 4 C. 3 D. 2
Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.
Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.
Description : Find the number of radial and angular nodes in 3d subshell?
Last Answer : Ans. Zero-angular node as well as radial nodes.
Description : The most favourable product of the following reactions is ltbRgt
Last Answer : The most favourable product of the following reactions is ltbRgt A. I B. II C. III D. IV
Description : Find the name of bacteria in following reactions:- ltBrgt (i) `2NH_(3)+3O_(2)overset((A))to2NO_(2)^(-)+2H^(+)+2H_(2)O` (ii) `2NO_(2)^(-)+O_(2)overset(
Last Answer : Find the name of bacteria in following reactions:- ltBrgt (i) `2NH_(3)+3O_(2)overset((A))to2NO_(2)^(-)+2H^ ... (-)+12H^(+)overset((C))toN_(2)+6H_(2)O`
Description : Consider the following statements and arrange in the order of true/false as given in the codes. ltBRgt `S_(1)`: In the aluminothermite process, alumin
Last Answer : Consider the following statements and arrange in the order of true/false as given in the codes. ltBRgt `S_(1)` ... . A. TFFT B. TTTT C. TTFT D. TFTF
Description : The current drawn from the battery shown in the figure is ltBrgt
Last Answer : The current drawn from the battery shown in the figure is ltBrgt A. `(V)/(R)` B. `(V)/(2R)` C. `(2V)/(R)` D. `(3V)/(2R)`
Description : The first appellate authority should decide on first appeals a) Within the 30 days from the receipt of the firs appeals b) In less number of days that the PIO concerned took to take a decision on the ... Within 45 days from the date of receipt of the appeal , if reasons are recorded d) Both A&C
Last Answer : d) Both A&C
Description : Answer: P-subshell.
Last Answer : What do you mean by Genetics?
Description : A subshell with n=6 , l= 2 can accommodate a maximum of
Last Answer : A subshell with n=6 , l= 2 can accommodate a maximum of A. 12 electron B. 36 electron C. 10 electron D. 72 electron
Description : What was the goal of many of the firs settlers to Jamestown?
Last Answer : Need answer
Description : The period of which the experimental PO is at firs sanctioned should not exceed a) 6 month b) 1 year c) 2 year d) 3 year
Last Answer : a) 6 month
Description : In the third generation of computers: a. Distributed data processing first became popular b. An operating system was first developed c. High-level prcedu7ral languages were firs used d. On-line, real time systems first became popular
Last Answer : On-line, real time systems first became popular
Last Answer : d. On-line, real time systems first became popular
Description : According to firs census of USA (1790) its population was: (a) 3.9 million (b) 4.5 million (c) 6.4 million
Last Answer : (a) 3.9 million
Description : A : In oxygen maximum covalency limits to four F : Absence of d - orbitals
Last Answer : A : In oxygen maximum covalency limits to four F : Absence of d - orbitals A. Both A and R are true ... true R is false D. A is false but R is true
Description : The high reactivity of fluorine is due to (a) Its high electronegativity (b) Small size of flourine atom (c) Availability of d-orbitals (d) Strong F-F bond
Last Answer : Ans:(a)
Description : The high reactivity of fluorine is due to (1) small size of fluorine atom (2) its high electro negativity (3) availability of d-orbitals (4) strong F - F bond
Last Answer : (2) its high electro negativity Explanation: The high reactivity of fluorine is due to its high electro negativity.
Description : `e_(g)` orbitals include
Last Answer : `e_(g)` orbitals include A. `d_(xy) and d_(yz)` B. `d_(yz) and d_(xz)` C. `d_(yz) and d_(xz)` D. `d_(x_(2)-y_(2)) and d_(z_(2))`
Description : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ?
Last Answer : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ? A ... D. `[Co(NH_(3))_(6)]^(2+)`
Description : Which among the following is incorrect: a) Computer - Machine that will carry out the process described by program b) Person - Programmer who serves as the source of the communication c) Process - The ... - Actual System or environment where the problem arises e) None of These f) All of the above
Last Answer : e) None of These
Description : For principle quantum number `n = 4`, the total number of orbitals having `l =3` is
Last Answer : For principle quantum number `n = 4`, the total number of orbitals having `l =3` is A. 3 B. 7 C. 5 D. 9
Description : How many total orbitals are within 3s 3p and 3d sublevels of the third energy level?
Last Answer : 9
Description : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :-
Last Answer : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :- A. ... 3 B. 1 ,2, 3, 4 C. 3 D. 4
Description : The block of elements in the periodic table which are filling the 4-f electron shell are known as:
Last Answer : ANSWER: LANTHANIDES
Description : Definition of minor bridge e) Single span less than 12m f) Total linear water way less than 18m g) Both a) & b)* h) None of the above
Last Answer : g) Both a) & b)*
Description : Compare the following complexes with respect to their shape, magnetic behaviour and the hybrid orbitals involved : (i) [CoF4]2- (ii) [Cr(H2O)2(C2O4)2]– (iii) [Ni(CO)4] (Atomic number : Co = 27, Cr = 24, Ni = 28) -Chemistry
Last Answer : (i) [COF4]2_ : Tetrafluorido cobalt (III) ion Coordination number = 4 Shape = Tetrahedral Hybridisation = sp3 Important Questions for Class 12 Chemistry Chapter 9 Coordination Compounds Class 12 Important Questions 7
Description : For the complex [Fe(en)2Cl2], Cl, (en = ethylene diamine), identify (i) the oxidation number of iron, (ii) the hybrid orbitals and the shape of the complex, (iii) the magnetic behaviour of the complex, (iv) ... an optical isomer also, and (vi) name of the complex. (At. no. of Fe = 26) \ -Chemistry
Last Answer : i) [Fe(en)2Cl2] Cl or x + 0 + 2 (-1) + (-1) = 0 x + (- 3) = 0 or x = + 3 ∴ Oxidation number of iron, x = + 3 (ii) The complex has two bidentate ligands and two ... )2Cl2] Cl, only cis-isomer shows optical isomerism. (vi) Name of complex: Dichloridobis (ethane-1, 2- diamine) Iron (III) chloride
Description : The number of `pi` molecular orbitals completely filled in the ground state of benzene is :
Last Answer : The number of `pi` molecular orbitals completely filled in the ground state of benzene is : A. three B. one C. six D. none
Description : Which of the following contain maximum number of electrons in the antibonding molecular orbitals
Last Answer : Which of the following contain maximum number of electrons in the antibonding molecular orbitals A. `O_(2)^(2-)` B. `O_ ... O_(2)^(-1)` D. `O_(2)^(+)`
Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these ... B. Square pyramid C. square planar D. octahedral
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds ... `XeF_(2)` and tetraheddral `XeO_(3)`
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the ... ` C. `XeO_(2)F_(2)` D. Xe
Description : What Number of orbitals in argon?
Description : The number of electrons of a neutral atom is automatically known if one knows the? A. Atomic number (Answer) B. Atomic weight C. Number of orbitals D. none
Last Answer : A. Atomic number (Answer)
Description : In the filling of electron orbitals for the elemen sulfur, which has 16 electrons, the number of electrons in the 3p orbitals is: w) 3 x) 4 y) 6 z) 0
Last Answer : ANSWER: X -- 4
Description : The hyaloid artery: a. arises from the dorsal ophthalmic artery b. communicates freely with the choroidal circulation throughout development c. regresses after birth d. Bergmeister's papillae is a remnant e. forms part of the vascular propria lenti
Last Answer : arises from the dorsal ophthalmic artery
Description : The total number of electrons present in `4^"th"` shell of Astatatine (`._85At`) are:
Last Answer : The total number of electrons present in `4^"th"` shell of Astatatine (`._85At`) are:
Description : The kind of delocalization involving sigma bond orbitals is called:
Last Answer : The kind of delocalization involving sigma bond orbitals is called: A. hybridization B. conjugation C. hyperconjugation D. conformation
Description : Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes
Last Answer : (3) number of chromosomes Explanation: An organism having more than two sets of homologous chromosomes is known as polyploid and the phenomenon polyploidy. Polyploidy refers to a numerical change in ... due to abnormal cell division, either during mitosis, or commonly during metaphase I in meiosis.
Last Answer : number of chromosomes
Description : Why are P orbitals the shape they are?
Last Answer : It’s been far too long for me to remember the answer off the top of my head. You might want to check http://en.wikipedia.org/wiki/Atomic_orbital#Qualitative_understanding_of_shapes . I hope this helps.
Description : Compare the following complexes’ with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : (i) [Ni(CN)4]2- (ii) [NiCl4]2- (iii) [CoF6]3- [At. Nos. : Ni = 28; Co = 27] -Chemistry
Last Answer : (i) [Ni(CN)4]2- Shape : Octahedral outer orbital complex Hybridisation : sp3d2 Magnetic behaviour : Paramagnetic (4 unpaired electrons)
Description : Compare the following complexes with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : [Co(NH3)6]+3, [Cr(NH3)6]3+, Ni(CO)4 (At. nos. : Co = 27, Cr = 24, Ni = 28) -Chemistry
Last Answer : (i) [Co(NH3)6]+3 → Octahedral shape, d2sp3 hybridisation, diamagnetic Formation of [Co(NH2)6]+3 → oxidation state of Co is +3.
Description : In an atom the order of filling up of the orbitals is governed by which principle? -General Knowledge
Last Answer : The answer is 'Aufbau principle'
Last Answer : answer: